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/****************************************************************************
* Copyright (c) 2007, 2011 IBM, Composent Inc. and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Chris Aniszczyk - initial API and implementation
* Henrich Kraemer - Bug 297742 - [transport] Investigate how to maintain HTTP session
*****************************************************************************/
package org.eclipse.ecf.internal.provider.filetransfer.httpclient;
import javax.net.ssl.SSLSocketFactory;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ecf.core.util.LogHelper;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.service.log.LogService;
import org.osgi.util.tracker.ServiceTracker;
/**
* The activator class controls the plug-in life cycle
*/
public class Activator implements BundleActivator {
// The plug-in ID
public static final String PLUGIN_ID = "org.eclipse.ecf.provider.filetransfer.httpclient"; //$NON-NLS-1$
// The shared instance
private static Activator plugin;
private BundleContext context = null;
private ServiceTracker logServiceTracker = null;
private ServiceTracker sslSocketFactoryTracker;
private ISSLSocketFactoryModifier sslSocketFactoryModifier;
private ConnectionManagerHelper cmHelper;
/**
* The constructor
*/
public Activator() {
//
}
public BundleContext getContext() {
return context;
}
public void start(BundleContext ctxt) throws Exception {
plugin = this;
this.context = ctxt;
// initialize the default sslSocketFactoryModifier. This instance is then used within HttpClientRetrieveFileTransfer.setupHostAndPort
// to set the socket factory for the specific proxy and httpclient instance
try {
Class socketFactoryModifierClass = Class.forName("org.eclipse.ecf.internal.provider.filetransfer.httpclient.ssl.SSLSocketFactoryModifier"); //$NON-NLS-1$
sslSocketFactoryModifier = (ISSLSocketFactoryModifier) socketFactoryModifierClass.newInstance();
} catch (ClassNotFoundException e) {
// will occur if fragment is not installed or not on proper execution environment
} catch (Throwable t) {
log(new Status(IStatus.ERROR, PLUGIN_ID, "Unexpected Error in Activator.start", t)); //$NON-NLS-1$
}
}
public ConnectionManagerHelper getConnectionManagerHelper() {
if (cmHelper == null) {
cmHelper = new ConnectionManagerHelper();
}
return cmHelper;
}
public ISSLSocketFactoryModifier getSSLSocketFactoryModifier() {
return sslSocketFactoryModifier;
}
public void stop(BundleContext ctxt) throws Exception {
if (sslSocketFactoryModifier != null) {
sslSocketFactoryModifier.dispose();
sslSocketFactoryModifier = null;
}
if (sslSocketFactoryTracker != null) {
sslSocketFactoryTracker.close();
}
if (logServiceTracker != null) {
logServiceTracker.close();
}
if (cmHelper != null) {
cmHelper.shutdown();
}
this.context = null;
plugin = null;
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public synchronized static Activator getDefault() {
if (plugin == null) {
plugin = new Activator();
}
return plugin;
}
private synchronized LogService getLogService() {
if (logServiceTracker == null) {
logServiceTracker = new ServiceTracker(this.context, LogService.class.getName(), null);
logServiceTracker.open();
}
return (LogService) logServiceTracker.getService();
}
public void log(IStatus status) {
LogService logService = getLogService();
if (logService != null) {
logService.log(LogHelper.getLogCode(status), LogHelper.getLogMessage(status), status.getException());
}
}
public synchronized SSLSocketFactory getSSLSocketFactory() {
if (sslSocketFactoryTracker == null) {
sslSocketFactoryTracker = new ServiceTracker(this.context, SSLSocketFactory.class.getName(), null);
sslSocketFactoryTracker.open();
}
return (SSLSocketFactory) sslSocketFactoryTracker.getService();
}
public static void logNoProxyWarning(Throwable e) {
Activator a = getDefault();
if (a != null) {
a.log(new Status(IStatus.WARNING, Activator.PLUGIN_ID, IStatus.ERROR, "Warning: Platform proxy API not available", e)); //$NON-NLS-1$
}
}
}
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